Refrigerating apparatus.



L. H. BRINKMAN.

' REFRIGERATING APPARATUS.

APPLICATION FILED NOV. 13-,1906.

958,852. Patented May 24, 1910.

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' ELIEIFRIGERATING APPARAiTUS.

Specification 031 Letters Patent.

" Patented May 24, 1910'.

cation filed Iltovembcr 13, 1966. Serial No. 343,274.

BRINKMAN, residing at cor -y oi Hartford and n at, have invented a new anent in Refrigerating he following is a specid drawings forming i which 1 front View oi an su inginy refrigerating thereto. big .2 is ai'ront sale of a portion of the f Y the automobile Q present improve onal'view. Fig. a portion of one um i sheets inclosing the repreor conduits. View portions of two corru- -lightly separated to be ter ction of the flanges at the Fig. 5 represents the sheet shown in Fig. at as t together, with their hu and 6 represents poi ion of two-adjacent in section.

..res refer to similar ricws.

. invention. relates to a refrigus especially adapted to be of an automobile, and it corrugated sheet metal wait; passages which com- 1 the upper and lower Water cooler, and at the same 1 e appearance in-It'ront elevat' rectangular air tubes pass- ,"Ihror h the refrigerating ries'oi parallel vertical and vs, said tubes or transverse in absolute alineirent with of u .0 construct the retrigcrautomobile cooler fron'i vertically and horizontally, iiorn'i width between the I I I I I r I I I I I I I I I I I I I I I I I with the-beveled corners 17 which, according to my present invention, is formed of a series of corrugated sheet rerun. oi rioE.

connncrrcur, ASISIGNOR To wnmoo COIL wiser nanrscen, C@1\I.T1\TECTICUT,'A CORPORATION or conmetal strips arrangedin pairs and inclosing between, them a continuous serpentine water passage communicating with the upper and lower water chambers'l and 2., A portion of one of the corrugated sheets is shown in perspective View at 4', Fig. 3,. and they are arranged in pairs as shown at 5 and 6, Fig. 2, inclosing between each paira serpentine water passage 7, Each of the strips 1s similarly bent but in a peculiar manner, with al ternating corrugations of differentshapes, for example, strip 5 is bent at right angles at 8 and 9, forming a rectangular corrugation. It is next bent at an angle of 45 at 10, ll, 12 and 13, forming an obtuse angled corrugation, and so on throughout the length of the strip, with the right angled-and. obtuse angled corrugations alternating. The edges of the strips are then turned over to form a flange 15 at each edge of the strip. Corner pieces are removed from the flange at 16 which is otherwise continuous from one end of the strip to the other. The flange when completed on the edge of the'strip is represented in Figs. 3 5 and 6 which are shown as separated in Flg. 4 are then brought-together, as represented in Fig. 5, with the flange of one strip oven lapping the flange of itsco'inpanion strip. 'By soldering the flanges together each pair of strips will. inclose between them a serpentine' water passage 7 open at both'ends and communicating at one .end with a water chamber 1, and at the opposite end with a water chamber 2. Each water passage will then consist of a corrugated tube having a series or bends or turns with their outer cor 11ers beveled, as shown at 1 7, Fig. 5, and their inner corners rectangular, as shown at 18, Fi 5. When these corrugated tubes are assembled side by side, the beveled corners 1701 one tube will exactly fitand contact of theadjacent tube, and iuclose between the tubesequilateral rectangular air spaces 19. The outer sides 20 of each corrugation between the beveled corners 17 .is exactly of the same lengtl' asthe vertical inner sides 21 ofjthe corrugations, and as the sides 21, 22, and 23 of the rectangular bends are equal in length and 4. The two strips the inclosed air spaces, Wlienthe corrugated tubes are assembled, will be rectangular and vertical and horizonta alinement with each other and with the cor responding horizontal sections of the nemalmn water passages, as shown 1n Fig. 2,

' in whic the vertical sections 24 of one water passage are in vertical alinement with the vertical sections 25 of the adjacent water tube, and the horizontal sections 26 of all the water tubes are in horizontal alinement with each other. By this construction all the flan es which inclose both the vertical and horizontal sections of the water tubes are brought into alinement and cause the refrigerating section to present the ap earance 1n frontview of having a series 0 rectangular openings which are in alinement both vertically and horizontally, The rectangular air s aces or openings are not only in vertical an horizontal alinement but the flanged edges of the water tubes which separate the rectangular air species when soldered together, present the ap earance of straight I bars. of uniform width dividing the refrigerating section into squares 'or checkers. solidity and regularity of the separating flanges by which the rectangular air spaces are divided, and the uniform horizontal and vertical alinement of the air spaces in the front elevation of the refrigerating apparatus is one of the objects of my present 1mproved construction. In addition to this desirable appearance of the front I render the construction more compact by causing the outer portion of eachcorrugation in the water tubes to enter within the next tube, thereby bringing the vertical sections of one tube into the same vertical plane as the vertical sections of the adjacent tube.

In forming the flanges on the edges of the corrugated strips I make the flange continuous around the obtuse angled corruga- The appearance of pletely inclose the ed es of the water tube. When the strips are t us assembled to form a water tube, and the tubes are assembled-in a refrigerating section as above described the flanged edges may be securely soldered at a single operation by dipping the entire refrigerating section in a mass of melted solder. When the excess of solder is wiped off, the flanged edges of the tubes will-present a uniformly smooth surface, and the flanges of each pair of strips in the entire section will be securely united at a single operation. 1

The above and securing the edges of the water tubes is inexpensive, securing a sightly appearance and a water tight joint.

I claim,

described method of flanging- 1. In an apparatus of the class described,

a refrigerating section, comprising sheet metal plates arranged in pairs and inclosing between them a serpentine passage'communicating at each end with a water chamber,

said sheets bent alternately in right angled and obtuse angled corrugations in opposite directions, with the right angled corruga tions of one strip 'inclosed by the obtuse angled corrugations of the other strip to form said passage, and a flange at the edge of each plate and at right angles thereto, said flange continuous around each obtuse angled corrugation andwith the corner pieces removed around each right angled corrugation, with said flanges upon the edges of each pair of plates fastened together.

2. In an apparatus of the class described, a refrigerating section, comprisin upper and lower chambers, sheet metal pIates arranged in pairs and connecting said chambers bent alternately in right angled and obtuse angled corrugations, with the obtuse angled corrugations of one plate extending in the same direction as the right angled corrugations of the other plate, a contlnu- 

